Agilent 6890 Series Gas Chromatography Application Note Determining Oxygenates in Gasoline ASTM Method D 4815

This document introduces the use of AC Oxygenate Analyzer, including instrument configuration, analysis conditions and chromatograms.

Brand: Agilent
Category: Other Electronics
Document type: Application Note
Language: English
Pages: 6
File format: PDF
File size: 105 KB
Published: 02 July, 2012
Updated: 30 September, 2023
Model: 6890 Series
MD5 checksum: 1BF70DBFD45E6ADE35CB9C80FE114E6C
PDF: Agilent 6890 Series Gas Chromatography Application Note Determining Oxygenates in Gasoline ASTM Method D 4815 PDF

About this manual

This document details the configuration of an AC Oxygenate Analyzer based on the Agilent 6890 Series gas chromatographic system. The system is designed to determine individual ethers and alcohols in finished gasolines, complying with ASTM Method D 4815-94. The analysis utilizes a split/splitless inlet, a ten-port sampling valve, and a flame ionization detector (FID).

What's inside

Introduction
Application
Experimental
Calibration
Method Description
Results
Conclusion
Gas Chromatographic Operating Parameters
ASTM D 4815-94 Precision

Specifications

Analysis Time	15 minutes
Ethers Quantification Range	0.1 to 20.0 mass %
Alcohols Quantification Range	0.1 to 12.0 mass %
Injection Port Temperature	200°C
FID Temperature	250°C
Carrier Gas	Helium
Split Ratio	15:1

Frequently asked questions

What ASTM method does this analyzer use?

The analyzer determines oxygenates according to ASTM Method D 4815-94.

How much does the analysis time reduce with EPC?

Using Electronic Pneumatics Control (EPC) reduces the analysis time by approximately 40%.

Which oxygenates can be quantified?

The analyzer quantifies ethers like MTBE, ETBE, TAME, DIPE, and alcohols like methanol, ethanol, and various propanols/butanol.

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